diff options
Diffstat (limited to 'arch/loongarch/include/asm')
| -rw-r--r-- | arch/loongarch/include/asm/bootinfo.h | 6 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/crash_core.h | 12 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/efi.h | 2 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/ftrace.h | 2 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/kvm_host.h | 25 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/kvm_vcpu.h | 21 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/perf_event.h | 8 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/pgtable.h | 1 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/shmparam.h | 12 |
9 files changed, 68 insertions, 21 deletions
diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h index c60796869..6d5846dd0 100644 --- a/arch/loongarch/include/asm/bootinfo.h +++ b/arch/loongarch/include/asm/bootinfo.h @@ -24,13 +24,15 @@ struct loongson_board_info { const char *board_vendor; }; +#define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG) + struct loongson_system_configuration { int nr_cpus; int nr_nodes; int boot_cpu_id; int cores_per_node; int cores_per_package; - unsigned long cores_io_master; + unsigned long cores_io_master[NR_WORDS]; unsigned long suspend_addr; const char *cpuname; }; @@ -42,7 +44,7 @@ extern struct loongson_system_configuration loongson_sysconf; static inline bool io_master(int cpu) { - return test_bit(cpu, &loongson_sysconf.cores_io_master); + return test_bit(cpu, loongson_sysconf.cores_io_master); } #endif /* _ASM_BOOTINFO_H */ diff --git a/arch/loongarch/include/asm/crash_core.h b/arch/loongarch/include/asm/crash_core.h new file mode 100644 index 000000000..218bdbfa5 --- /dev/null +++ b/arch/loongarch/include/asm/crash_core.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _LOONGARCH_CRASH_CORE_H +#define _LOONGARCH_CRASH_CORE_H + +#define CRASH_ALIGN SZ_2M + +#define CRASH_ADDR_LOW_MAX SZ_4G +#define CRASH_ADDR_HIGH_MAX memblock_end_of_DRAM() + +extern phys_addr_t memblock_end_of_DRAM(void); + +#endif diff --git a/arch/loongarch/include/asm/efi.h b/arch/loongarch/include/asm/efi.h index 91d81f973..eddc8e79b 100644 --- a/arch/loongarch/include/asm/efi.h +++ b/arch/loongarch/include/asm/efi.h @@ -32,6 +32,4 @@ static inline unsigned long efi_get_kimg_min_align(void) #define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS) -unsigned long kernel_entry_address(unsigned long kernel_addr); - #endif /* _ASM_LOONGARCH_EFI_H */ diff --git a/arch/loongarch/include/asm/ftrace.h b/arch/loongarch/include/asm/ftrace.h index a11996eb5..de891c2c8 100644 --- a/arch/loongarch/include/asm/ftrace.h +++ b/arch/loongarch/include/asm/ftrace.h @@ -63,7 +63,7 @@ ftrace_regs_get_instruction_pointer(struct ftrace_regs *fregs) static __always_inline void ftrace_regs_set_instruction_pointer(struct ftrace_regs *fregs, unsigned long ip) { - regs_set_return_value(&fregs->regs, ip); + instruction_pointer_set(&fregs->regs, ip); } #define ftrace_regs_get_argument(fregs, n) \ diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h index 11328700d..2d62f7b0d 100644 --- a/arch/loongarch/include/asm/kvm_host.h +++ b/arch/loongarch/include/asm/kvm_host.h @@ -45,7 +45,10 @@ struct kvm_vcpu_stat { u64 signal_exits; }; +#define KVM_MEM_HUGEPAGE_CAPABLE (1UL << 0) +#define KVM_MEM_HUGEPAGE_INCAPABLE (1UL << 1) struct kvm_arch_memory_slot { + unsigned long flags; }; struct kvm_context { @@ -92,8 +95,10 @@ enum emulation_result { }; #define KVM_LARCH_FPU (0x1 << 0) -#define KVM_LARCH_SWCSR_LATEST (0x1 << 1) -#define KVM_LARCH_HWCSR_USABLE (0x1 << 2) +#define KVM_LARCH_LSX (0x1 << 1) +#define KVM_LARCH_LASX (0x1 << 2) +#define KVM_LARCH_SWCSR_LATEST (0x1 << 3) +#define KVM_LARCH_HWCSR_USABLE (0x1 << 4) struct kvm_vcpu_arch { /* @@ -175,6 +180,21 @@ static inline void writel_sw_gcsr(struct loongarch_csrs *csr, int reg, unsigned csr->csrs[reg] = val; } +static inline bool kvm_guest_has_fpu(struct kvm_vcpu_arch *arch) +{ + return arch->cpucfg[2] & CPUCFG2_FP; +} + +static inline bool kvm_guest_has_lsx(struct kvm_vcpu_arch *arch) +{ + return arch->cpucfg[2] & CPUCFG2_LSX; +} + +static inline bool kvm_guest_has_lasx(struct kvm_vcpu_arch *arch) +{ + return arch->cpucfg[2] & CPUCFG2_LASX; +} + /* Debug: dump vcpu state */ int kvm_arch_vcpu_dump_regs(struct kvm_vcpu *vcpu); @@ -183,7 +203,6 @@ void kvm_flush_tlb_all(void); void kvm_flush_tlb_gpa(struct kvm_vcpu *vcpu, unsigned long gpa); int kvm_handle_mm_fault(struct kvm_vcpu *vcpu, unsigned long badv, bool write); -#define KVM_ARCH_WANT_MMU_NOTIFIER void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, bool blockable); int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); diff --git a/arch/loongarch/include/asm/kvm_vcpu.h b/arch/loongarch/include/asm/kvm_vcpu.h index 553cfa2b2..0cb4fdb8a 100644 --- a/arch/loongarch/include/asm/kvm_vcpu.h +++ b/arch/loongarch/include/asm/kvm_vcpu.h @@ -55,7 +55,26 @@ void kvm_save_fpu(struct loongarch_fpu *fpu); void kvm_restore_fpu(struct loongarch_fpu *fpu); void kvm_restore_fcsr(struct loongarch_fpu *fpu); -void kvm_acquire_timer(struct kvm_vcpu *vcpu); +#ifdef CONFIG_CPU_HAS_LSX +int kvm_own_lsx(struct kvm_vcpu *vcpu); +void kvm_save_lsx(struct loongarch_fpu *fpu); +void kvm_restore_lsx(struct loongarch_fpu *fpu); +#else +static inline int kvm_own_lsx(struct kvm_vcpu *vcpu) { return -EINVAL; } +static inline void kvm_save_lsx(struct loongarch_fpu *fpu) { } +static inline void kvm_restore_lsx(struct loongarch_fpu *fpu) { } +#endif + +#ifdef CONFIG_CPU_HAS_LASX +int kvm_own_lasx(struct kvm_vcpu *vcpu); +void kvm_save_lasx(struct loongarch_fpu *fpu); +void kvm_restore_lasx(struct loongarch_fpu *fpu); +#else +static inline int kvm_own_lasx(struct kvm_vcpu *vcpu) { return -EINVAL; } +static inline void kvm_save_lasx(struct loongarch_fpu *fpu) { } +static inline void kvm_restore_lasx(struct loongarch_fpu *fpu) { } +#endif + void kvm_init_timer(struct kvm_vcpu *vcpu, unsigned long hz); void kvm_reset_timer(struct kvm_vcpu *vcpu); void kvm_save_timer(struct kvm_vcpu *vcpu); diff --git a/arch/loongarch/include/asm/perf_event.h b/arch/loongarch/include/asm/perf_event.h index 2a35a0bc2..52b638059 100644 --- a/arch/loongarch/include/asm/perf_event.h +++ b/arch/loongarch/include/asm/perf_event.h @@ -7,6 +7,14 @@ #ifndef __LOONGARCH_PERF_EVENT_H__ #define __LOONGARCH_PERF_EVENT_H__ +#include <asm/ptrace.h> + #define perf_arch_bpf_user_pt_regs(regs) (struct user_pt_regs *)regs +#define perf_arch_fetch_caller_regs(regs, __ip) { \ + (regs)->csr_era = (__ip); \ + (regs)->regs[3] = current_stack_pointer; \ + (regs)->regs[22] = (unsigned long) __builtin_frame_address(0); \ +} + #endif /* __LOONGARCH_PERF_EVENT_H__ */ diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index 29d9b1229..8b5df1bbf 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -523,6 +523,7 @@ static inline pmd_t pmd_wrprotect(pmd_t pmd) return pmd; } +#define pmd_dirty pmd_dirty static inline int pmd_dirty(pmd_t pmd) { return !!(pmd_val(pmd) & (_PAGE_DIRTY | _PAGE_MODIFIED)); diff --git a/arch/loongarch/include/asm/shmparam.h b/arch/loongarch/include/asm/shmparam.h deleted file mode 100644 index c9554f48d..000000000 --- a/arch/loongarch/include/asm/shmparam.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2020-2022 Loongson Technology Corporation Limited - */ -#ifndef _ASM_SHMPARAM_H -#define _ASM_SHMPARAM_H - -#define __ARCH_FORCE_SHMLBA 1 - -#define SHMLBA SZ_64K /* attach addr a multiple of this */ - -#endif /* _ASM_SHMPARAM_H */ |